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Key: GLASSFISH-15613
Type: Bug Bug
Status: Resolved Resolved
Resolution: Fixed
Priority: Major Major
Assignee: Scott Fordin
Reporter: Nazrul
Votes: 0
Watchers: 1
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[UB] property to tune buffer size for in-memory replication

Created: 19/Jan/11 10:51 AM   Updated: 20/Apr/11 09:51 AM   Resolved: 20/Apr/11 09:51 AM
Component/s: docs
Affects Version/s: None
Fix Version/s: 3.1_ms08

Time Tracking:
Not Specified

Tags:
Participants: Mahesh Kannan, Nazrul and Scott Fordin


 Description  « Hide

[Tracking Bug]

We have a property that is being used to tune buffer size for in-memory replication. Depending on the session size and load, this property needs to be adjusted. Please document this in performance tuning guide and HA guide .

Mahesh will be able to provide the name of the property and other details.



Mahesh Kannan added a comment - 10/Feb/11 01:41 PM

The replication batch size can be tuned by setting the System property "org.shoal.cache.transmitter.max.batch.size" to a non negative number.

Example: org.shoal.cache.transmitter.max.batch.size=20 The default is 30.


Scott Fordin added a comment - 11/Feb/11 08:00 AM

No Performance Tuning Guide anymore. Will add content to HAAG. If appropriate, will also add content to Performance Tuner OLH.


Scott Fordin added a comment - 21/Mar/11 02:32 PM - edited

We do have a Performance Tuning Guide after all, and I'd like to add these instructions to that guide with additional links to the GMS sections in the HA Admin Guide. However, I need additional instructions on how to set this property. I tried doing:

asadmin> set configs.config.cluster1-config.group-management-service.org.shoal.cache.transmitter.max.batch.size=20

But got:

remote failure: No configuration found for configs.config.cluster1-config.group-management-service.org.shoal.cache.transmitter.max.batch
Command set failed.

As a starting point, I tried using the instructions in To Preconfigure Nondefault GMS Configuration Settings (http://download.oracle.com/docs/cd/E18930_01/html/821-2426/gjfnl.html#gkoac), but they didn't help.

Can you please provide additional information?


Scott Fordin added a comment - 20/Apr/11 09:51 AM

Worked with Mahesh and added content to 3.1 Performance Tuning Guide.